

/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * glassfish/bootstrap/legal/CDDLv1.0.txt or
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 *
 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * Portions Copyright Apache Software Foundation.
 */ 
package sessions;

import javax.servlet.http.*;
import java.util.Vector;
import java.util.Enumeration;

public class DummyCart {
    Vector v = new Vector();
    String submit = null;
    String item = null;
    
    private void addItem(String name) {
	v.addElement(name);
    }

    private void removeItem(String name) {
	v.removeElement(name);
    }

    public void setItem(String name) {
	item = name;
    }
    
    public void setSubmit(String s) {
	submit = s;
    }

    public String[] getItems() {
	String[] s = new String[v.size()];
	v.copyInto(s);
	return s;
    }
    
    public void processRequest(HttpServletRequest request) {
	// null value for submit - user hit enter instead of clicking on 
	// "add" or "remove"
	if (submit == null) 
	    addItem(item);

	if (submit.equals("add"))
	    addItem(item);
	else if (submit.equals("remove")) 
	    removeItem(item);
	
	// reset at the end of the request
	reset();
    }

    // reset
    private void reset() {
	submit = null;
	item = null;
    }
}
